Ms. Marcus has an active debtor practice and is one of the lead attorneys representing Lehman Brothers Holdings Inc. and its affiliates in its bankruptcy proceedings. Currently, she is one of the lead attorneys representing teen retailer Aéropostale, Inc. She was one of the lead attorneys representing Extended Stay Inc. and its affiliates in its chapter 11 restructuring. Ms. Marcus also played a key role representing creditors in the chapter 11 cases of SunEdison, Inc., Black Diamond Mining Company, Tropicana Entertainment LLC, Epic Resorts, LLC and Food Barn Stores, Inc., as well as in many out-of-court restructurings. She has also represented sponsors in numerous in-court and out-of-court restructurings. Ms. Marcus works closely with members of Weil's Structured Finance practice.

In September 2017, Ms. Marcus was honored by the Turnaround Management Association for her work on the successful restructuring of Aéropostale, Inc., the winner of “2017 Turnaround of the Year: Mega Company” award. In October 2010, Ms. Marcus was featured as AmLaw Daily’s “Dealmaker of the Week” for her representation of Extended Stay. Ms. Marcus is highly ranked in the field of Bankruptcy/Restructuring by Chambers USA, and has been recognized by Best Lawyers in America, Expert Guides’ “Women in Business Law” and Super Lawyers. Ms. Marcus has contributed to publications and seminar materials on various restructuring topics.